[化] 油灰

[ noun ]
a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid
<noun.substance>

Lute \Lute\, v. t. [imp. & p. p. {Luted}; p. pr. & vb. n.
{Luting}.]
To close or seal with lute; as, to lute on the cover of a
crucible; to lute a joint.


Luting \Lut"ing\ (l[=u]t"[i^]ng), n. (Chem.)
See {Lute}, a cement.

Lute \Lute\, n. [L. lutum mud, clay: cf. OF. lut.]
1. (Chem.) A cement of clay or other tenacious infusible
substance for sealing joints in apparatus, or the mouths
of vessels or tubes, or for coating the bodies of retorts,
etc., when exposed to heat; -- called also {luting}.

2. A packing ring, as of rubber, for fruit jars, etc.

3. (Brick Making) A straight-edged piece of wood for striking
off superfluous clay from mold.